📄WHOIS
RUCENTER-SU · registered 23 years ago
🌐DNS
4 A · 1 MX · 2 NS · 4 PTR · 1 SOA · 3 TXT
🔒SSL/TLS
Let's Encrypt · TLSv1.2 · ⚠ 27d left · 2 SANs
✉️Email Auth
SPF ✓ · DKIM ✓ · DMARC ✗ (p=none)
💻Tech Stack
Host: Relsoft communications Ltd. · Email: Self-hosted · nginx
📡HTTP
1 redirect → 200 · HSTS ✗ · CSP ✗ · X-Frame ✗ · Nosniff ✗
🛡️Security
C (145/215) · 1 critical · 2 high
📈Deliverability
A (89/100) · 1 MX · 1 IPs · 3 issue(s)
🔍Subdomains
wildcard DNS — every guessed name resolves